Question about 1994 Mercury Grand Marquis
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Posted on Jan 02, 2017
SOURCE: Spark plug gap
The correct gap is 0.054 Don't for get to buy the anti seize for the plug so it's easier to replace the next time your replace them and if you use Platinum Spark Plugs, your good for 100.000 miles before they need to be changed if your engine is running 100% on emissions. Good luck and hope this helps.
Posted on Jun 15, 2009
Another 4.6 out of a '94 Grand Marquis. If you can. That way all the sensors will be correct and the wiring harness will plug-and-play. You can install almost any 4.6 but, depending on the year, there's going to be a lot of issues making them work with the electronics in your '94 Marquis.
Posted on Jan 04, 2010
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